In February of 2013, Twitter announced the impending closure of Posterous Spaces, deleting millions of blogs, photos, writings, and other data, with 30 days notice. Archive Team began the process of making a duplicate of the sites for history, and in doing so generated a list of the 9,898,986 sites discovered. This is that list.
Identifier 2013-02-22-posterous-hostname-listAddeddate 2013-02-22 01:52:06Mediatype webDate 2013-02-22Year 2013Licenseurl http://creativecommons.org/publicdomain/zero/1.0/Publisher Archive TeamPublicdate 2013-02-22 01:58:14
It has been presented as a textfile and compressed versions of same. Each line is a single website's hostname, in the form of *.posterous.com.